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2x-x=0,5+0,75
x=1,25
2)6(0,25x-2)=18
1,5x-12=18
1,5x=18+12
1,5x=30
x=20
powodzenia
2)
6(0,25x-2)=18
1.5x - 12 =18
1.5x =30 / ;1.5
x= 20
2x-0,75=0,5+x
2x-x=0,5+0,75
x=1,25
2)6(0,25x-2)=18
1,5x-12=18
1,5x=18+12
1,5x=30
x=20